Re: [PATCH] clk: qcom: camcc-sc7180: Use runtime PM ops instead of clk ones

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On 11/14/20 9:44 AM, Stephen Boyd wrote:
> Let's call pm_runtime_get() here instead of calling the PM clk APIs
> directly. This avoids a compilation problem on CONFIG_PM=n where the
> pm_clk_runtime_{resume,suspend}() functions don't exist and covers the
> intent, i.e. enable the clks for this device so we can program PLL
> settings.
> 
> Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Cc: Nathan Chancellor <natechancellor@xxxxxxxxx>
> Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Cc: Taniya Das <tdas@xxxxxxxxxxxxxx>
> Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx>
> Fixes: 15d09e830bbc ("clk: qcom: camcc: Add camera clock controller driver for SC7180")
> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx>

Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # build-tested

Thanks.

> ---
>  drivers/clk/qcom/camcc-sc7180.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/clk/qcom/camcc-sc7180.c b/drivers/clk/qcom/camcc-sc7180.c
> index f51bf5b6decc..dbac5651ab85 100644
> --- a/drivers/clk/qcom/camcc-sc7180.c
> +++ b/drivers/clk/qcom/camcc-sc7180.c
> @@ -1669,16 +1669,14 @@ static int cam_cc_sc7180_probe(struct platform_device *pdev)
>  		goto disable_pm_runtime;
>  	}
>  
> -	ret = pm_clk_runtime_resume(&pdev->dev);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "pm runtime resume failed\n");
> +	ret = pm_runtime_get(&pdev->dev);
> +	if (ret)
>  		goto destroy_pm_clk;
> -	}
>  
>  	regmap = qcom_cc_map(pdev, &cam_cc_sc7180_desc);
>  	if (IS_ERR(regmap)) {
>  		ret = PTR_ERR(regmap);
> -		pm_clk_runtime_suspend(&pdev->dev);
> +		pm_runtime_put(&pdev->dev);
>  		goto destroy_pm_clk;
>  	}
>  
> @@ -1688,9 +1686,7 @@ static int cam_cc_sc7180_probe(struct platform_device *pdev)
>  	clk_fabia_pll_configure(&cam_cc_pll3, regmap, &cam_cc_pll3_config);
>  
>  	ret = qcom_cc_really_probe(pdev, &cam_cc_sc7180_desc, regmap);
> -
> -	pm_clk_runtime_suspend(&pdev->dev);
> -
> +	pm_runtime_put(&pdev->dev);
>  	if (ret < 0) {
>  		dev_err(&pdev->dev, "Failed to register CAM CC clocks\n");
>  		goto destroy_pm_clk;
> 


-- 
~Randy



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